40025505468 has 48 divisors (see below), whose sum is σ = 102078085760. Its totient is φ = 12131722944.

The previous prime is 40025505467. The next prime is 40025505589. The reversal of 40025505468 is 86450552004.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40025505463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1904278 + ... + 1925181.

Almost surely, 2^40025505468 is an apocalyptic number.

It is an amenable number.

40025505468 is an abundant number, since it is smaller than the sum of its proper divisors (62052580292).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40025505468 is a wasteful number, since it uses less digits than its factorization.

40025505468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3829546 (or 3829544 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 39.

The spelling of 40025505468 in words is "forty billion, twenty-five million, five hundred five thousand, four hundred sixty-eight".